//
//  CollecgeSchool.h
//  Oc02_实例变量可见度_方法
//
//  Created by dllo on 16/2/25.
//  Copyright © 2016年 Apon. All rights reserved.
//

#import "Student.h"

@interface CollecgeSchool : Student

{
    NSString *_number;
    NSString *_major;
}
- (void) setNumber:(NSString *)number;
- (NSString *)number;
- (void) setMajor: (NSString *)major;
- (NSString *)major;
@end
